444242320331044 has 24 divisors (see below), whose sum is σ = 784619503726520. Its totient is φ = 220065647122944.

The previous prime is 444242320331011. The next prime is 444242320331081. The reversal of 444242320331044 is 440133023242444.

It can be written as a sum of positive squares in 4 ways, for example, as 3751969000000 + 440490351331044 = 1937000^2 + 20987862^2 .

It is a junction number, because it is equal to n+sod(n) for n = 444242320330988 and 444242320331006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35555019 + ... + 46396594.

Almost surely, 2^{444242320331044} is an apocalyptic number.

It is an amenable number.

444242320331044 is a deficient number, since it is larger than the sum of its proper divisors (340377183395476).

444242320331044 is a wasteful number, since it uses less digits than its factorization.

444242320331044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81964159 (or 81964157 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 40.

Adding to 444242320331044 its reverse (440133023242444), we get a palindrome (884375343573488).

The spelling of 444242320331044 in words is "four hundred forty-four trillion, two hundred forty-two billion, three hundred twenty million, three hundred thirty-one thousand, forty-four".